I am disgusted by your sex's axiomatic variability.

On account of the extreme variability of the sheep under culture, it is generally supposed that the innumerable domestic breeds have all been derived from the few wild species; but the whole question is involved in obscurity.

But in most cases this is put down to normal variability, or maybe to that limbo of all a baby's troubles: weakness.

He was watching a little group of stars in the Milky Way, in one of which his chief had seen or fancied a remarkable colour variability.